Synthesis and evaluation of 1,5-diaryl-substituted tetrazoles as novel selective cyclooxygenase-2 (COX-2) inhibitors
作者:Baker Jawabrah Al-Hourani、Sai Kiran Sharma、Jonathan Y. Mane、Jack Tuszynski、Vickie Baracos、Torsten Kniess、Mavanur Suresh、Jens Pietzsch、Frank Wuest
DOI:10.1016/j.bmcl.2011.01.057
日期:2011.3
A series of 1,5-diaryl-substituted tetrazole derivatives was synthesized via conversion of readily available diaryl amides into corresponding imidoylchlorides followed by reaction with sodium azide. All compounds were evaluated by cyclooxygenase (COX) assays in vitro to determine COX-1 and COX-2 inhibitory potency and selectivity. Tetrazoles 3a–e showed IC50 values ranging from 0.42 to 8.1 mM for COX-1
通过将容易获得的二芳基酰胺转化成相应的亚氨酰氯,然后与叠氮化钠反应,合成了一系列的1,5-二芳基取代的四唑衍生物。在体外通过环氧合酶(COX)分析评估了所有化合物,以确定COX-1和COX-2的抑制能力和选择性。四唑3a – e对COX-1的IC 50值范围为0.42至8.1 mM,对于COX-2的IC 50值范围为2.0至200μM。最有效的化合物3c(IC 50(COX-2)= 2.0μM)进一步用于分子模型对接研究。